Romans 12:2 (GNT) Do not conform yourselves to the standards of this world, but let God transform you inwardly by a complete change of your mind. Then you will be able to know the will of God – what is good and is pleasing to him and is perfect.
Romans 12:2 (NRS) Do not be conformed to this world, but be transformed by the renewing of your minds, so that you may discern what is the will of God—what is good and acceptable and perfect
Romans 12:2 (BBE) And let not your behaviour be like that of this world, but be changed and made new in mind, so that by experience you may have knowledge of the good and pleasing and complete purpose of God.
Romans 12:2 (NIRV) Don’t live any longer the way this world lives. Let your way of thinking be completely changed. Then you will be able to test what God wants for you. And you will agree that what he wants is right. His plan is good and pleasing and perfect.